McHenry County schools ranked by test score
Latest IAR + ISA year (2024-25). 56 schools in McHenry County, Illinois with reported Science scores. Illinois state average: 40.3%.
| Rank | School | Level | Science | vs state |
|---|---|---|---|---|
| 51 | Lake in the Hills Elem School Lk In The Hls · CUSD 300 | Elementary | 29.0% | -11.3pp |
| 52 | Ulysses S Grant Intermediate Sch Marengo · Marengo-Union E Cons D 165 | Elementary | 28.0% | -12.3pp |
| 53 | Harrison Elem School Wonder Lake · Harrison SD 36 | Elementary | 27.6% | -12.7pp |
| 54 | Canterbury Elem School Crystal Lake · Crystal Lake CCSD 47 | Elementary | 25.0% | -15.3pp |
| 55 | Johnsburg Jr High School Johnsburg · Johnsburg CUSD 12 | Middle | 25.0% | -15.3pp |
| 56 | Jefferson Elem School Harvard · Harvard CUSD 50 | Elementary | 18.8% | -21.5pp |
About this ranking
Schools are ranked by the percentage of students who scored at or above the IAR + ISA % Proficient (Levels 4-5) threshold on the latest available IAR + ISA Science test (school year 2024-25). Only public schools in McHenry County, Illinois with a reasonable cohort size are shown. A higher percentage is better.
The comparison column shows the gap to the Illinois statewide enrollment-weighted average. To compare against neighboring counties, use the full Illinois ranking.